228150780 has 96 divisors (see below), whose sum is σ = 750532608. Its totient is φ = 51052800.

The previous prime is 228150763. The next prime is 228150787. The reversal of 228150780 is 87051822.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228150787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4716 + ... + 21875.

It is an arithmetic number, because the mean of its divisors is an integer number (7818048).

Almost surely, 2^228150780 is an apocalyptic number.

228150780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 228150780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (375266304).

228150780 is an abundant number, since it is smaller than the sum of its proper divisors (522381828).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

228150780 is a wasteful number, since it uses less digits than its factorization.

228150780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26627 (or 26625 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 33.

The square root of 228150780 is about 15104.6608700758. The cubic root of 228150780 is about 611.0461132217.

The spelling of 228150780 in words is "two hundred twenty-eight million, one hundred fifty thousand, seven hundred eighty".